Left Hand Plain Mirror

Why do mirrors flip horizontally (but not vertically)?

Left Hand Plain Mirror

Why do mirrors appear to flip images horizontally but not vertically? http://physicsgirl.org/ Instagram: http://instagram.com/thephysicsgirl Facebook: http://www.physicsgirl.org/facebook Twitter: http://www.physicsgirl.org/twitter Help us translate our videos! http://www.youtube.com/timedtext_c...

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